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3. ezPDF Reader by Unidocs (South Korea)
Price: US$1.09 for lite; US$3.10 for pro version
Mobile workers would appreciate the fact they can view and edit PDF documents on the fly, as well as play embedded multimedia content such as video and audio on their devices.
4. KakaoTalk by Kakao (South Korea)
An alternative to WhatsApp, this Internet Protocol-based (IP) app allows for unlimited voice calls and text messages, group chats with your colleagues, and the ability to share of multimedia content such as photos with project group members.
5. AutoSMS Smart by Kamal Nivas Balasubramanian (India)
Missed an important business call? With AutoSMS Smart, users can help manage the caller's expectations by them sending automated text messages. Specific instructions can be included such as having messages sent to only numbers included in your phonebook, and restricting the app from sending messages to international or landline numbers.